# SDR CALA2026050516016

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 10, 2026
- Submitted: May 5, 2026
- Operation: Air carrier
- Aircraft: [N73291](https://openairdocs.org/aircraft/N73291), registered now
- Make and model: Boeing 737824
- Aircraft serial: 33454
- Aircraft time: 64,569 hours, 23,626 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Door Frame
- Part number: 141A1130
- Condition: Cracked
- Location: Zone 200
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026050516016

## Discrepancy

STRUCTURAL CRACK FOUND AT STA 312 ON TOP OF L-1 DOOR CUTOUT.  ACCOMPLISHED FRAME REPAIR AT STA 312 BETWEEN S-5L AND S-6L AS PER B737 SRM 53-10-07-2R-1 PARAGRAPH 4.M, N, AND O,  MAJOR STRUCTURAL REPAIR ACCOMPLISHED ON THE TOP OF DOOR 1L STA 312 IAW SRM 53-10-07-2 R-1, REPAIR 1 DUE TO CRACK DAMAGE ON THE UPPER CHORD AT STA 312, BETWEEN S-5L AND S-6L.

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